/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#ifndef SKY_ENGINE_CORE_ANIMATION_ANIMATIONEFFECT_H_
#define SKY_ENGINE_CORE_ANIMATION_ANIMATIONEFFECT_H_

#include "gen/sky/core/CSSPropertyNames.h"
#include "sky/engine/tonic/dart_wrappable.h"
#include "sky/engine/wtf/PassOwnPtr.h"
#include "sky/engine/wtf/RefCounted.h"

namespace blink {

class Interpolation;

class AnimationEffect : public RefCounted<AnimationEffect>, public DartWrappable {
    DEFINE_WRAPPERTYPEINFO();
public:
    enum CompositeOperation {
        CompositeReplace,
        CompositeAdd,
    };

    AnimationEffect() { }

    virtual ~AnimationEffect() { }
    virtual PassOwnPtr<Vector<RefPtr<Interpolation> > > sample(int iteration, double fraction, double iterationDuration) const = 0;

    virtual bool affects(CSSPropertyID) { return false; };
    virtual bool isKeyframeEffectModel() const { return false; }
};

} // namespace blink

#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATIONEFFECT_H_